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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 9 — Mar. 20, 1999
  • pp: 1814–1822

Diagnostics of an argon arcjet plume with a diode laser

Feng-Yuan Zhang, Kimiya Komurasaki, Teruhito Iida, and Toshi Fujiwara  »View Author Affiliations


Applied Optics, Vol. 38, Issue 9, pp. 1814-1822 (1999)
http://dx.doi.org/10.1364/AO.38.001814


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Abstract

The diode-laser absorption technique was applied for simultaneous velocity and temperature measurements of an argon plume exhausted by an arcjet. The Ar i absorption line at 811.531 nm was taken as the center absorption line. The velocity and the temperature were derived from the Doppler shift in the absorption profiles and the full width at half-maximum of the plume absorption profile, respectively. From the measured plume velocity and temperature, the total enthalpy of the exhausted plume, the thrust efficiency, and the thermal efficiency of the arcjet were derived, and the performance of the arcjet was examined. The results are demonstrated to agree with results derived by other methods, and the technique can be applied to the measurement of other arcjet systems without much modification.

© 1999 Optical Society of America

OCIS Codes
(280.2490) Remote sensing and sensors : Flow diagnostics
(300.1030) Spectroscopy : Absorption
(300.6260) Spectroscopy : Spectroscopy, diode lasers
(350.5400) Other areas of optics : Plasmas

History
Original Manuscript: April 14, 1998
Revised Manuscript: December 7, 1998
Published: March 20, 1999

Citation
Feng-Yuan Zhang, Kimiya Komurasaki, Teruhito Iida, and Toshi Fujiwara, "Diagnostics of an argon arcjet plume with a diode laser," Appl. Opt. 38, 1814-1822 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-9-1814

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